Base



FIG. 1 is a front perspective view of a base showing our new design.

FIG. 2 is a front elevation view of the base.

FIG. 3 is a rear elevation view of the base.

FIG. 4 is a left side elevation view of the base.

FIG. 5 is a right side elevation view of the base.

FIG. 6 is a top plan view of the base; and,

FIG. 7 is a bottom plan view of the base.

The broken line disclosure in the FIGURES is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a base, as shown and described. 